A Recent Study Following Adopted Children from Adolescence to Young

A recent study following adopted children from adolescence to young adulthood found that contact with biological parents may be helpful because process of searching for parent helps teens and young adults

A) talk more about the process and meaning of adoption to them and they form a more integrated sense of identity.
B) realize they are important to many people in their lives, and their self-esteem increases.
C) understand the importance and influence of both biological and environmental factors in their development.
D) all of these.